python: robomachine: 0.6 -> 0.8.0

pkgs/development/python-modules/robomachine/default.nix

···
 
 buildPythonPackage rec {
   pname = "robomachine";
-  version = "0.6";
+  version = "0.8.0";
   name = pname + "-" + version;
 
   src = fetchurl {
     url = "mirror://pypi/R/RoboMachine/RoboMachine-0.6.tar.gz";
-    sha256 = "6c9a9bae7bffa272b2a09b05df06c29a3a776542c70cae8041a8975a061d2e54";
+    sha256 = "242cfd9be0f7591138eaeba03c9c190f894ce045e1767ab7b90eca330259fc45";
   };
 
   propagatedBuildInputs = [ pyparsing argparse robotframework ];